\begin{tabular}{lc} \hline
 & (1) \\
VARIABLES & linstall \\ \hline
 &  \\
price\_ben & 0.000261*** \\
 & (2.51e-06) \\
kwh\_ben & 2.23e-05*** \\
 & (1.92e-06) \\
cost & -8.97e-05*** \\
 & (4.19e-06) \\
cost\_ben & 1.14e-05*** \\
 & (1.99e-06) \\
unit\_ben & 3.42e-05*** \\
 & (4.67e-06) \\
CollPerc\_t & 1.369*** \\
 & (0.0476) \\
Pol\_t & -0.908*** \\
 & (0.0736) \\
Constant & 1.186*** \\
 & (0.116) \\
 &  \\
Observations & 41,776 \\
 R-squared & 0.394 \\ \hline
\multicolumn{2}{c}{ Robust standard errors in parentheses} \\
\multicolumn{2}{c}{ *** p$<$0.01, ** p$<$0.05, * p$<$0.1} \\
\end{tabular}
